Key matrix area of a handset



FIG. 1 is a perspective front view of the handset;

FIG. 2 is a front view of the handset in the open position showing the key matrix area; and,

FIG. 3 is a perspective front view of the handset in the open position showing the key matrix area.

The broken line showing of the handset is for illustrative purpose only and forms no part of the claimed design. 

The ornamental design for a key matrix area of a handset, as shown. 